.\"	$OpenBSD: pthread_barrierattr_init.3,v 1.3 2013/06/05 03:44:50 tedu Exp $
.\"
.\" Copyright (c) 2012 Paul Irofti <pirofti@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.\"
.Dd $Mdocdate: June 5 2013 $
.Dt PTHREAD_BARRIERATTR_INIT 3
.Os
.Sh NAME
.Nm pthread_barrierattr_init ,
.Nm pthread_barrierattr_destroy
.Nd initialize and destroy a barrier attribute object
.Sh SYNOPSIS
.In pthread.h
.Ft int
.Fn pthread_barrierattr_init "pthread_barrierattr_t *attr"
.Ft int
.Fn pthread_barrierattr_destroy "pthread_barrierattr_t *attr"
.Sh DESCRIPTION
The
.Fn pthread_barrierattr_init
function creates a new barrier attribute object.
.Pp
The
.Fn pthread_barrierattr_destroy
function frees the resources allocated for
.Fa attr .
.Sh RETURN VALUES
If successful,
.Fn pthread_barrierattr_init
and
.Fn pthread_barrierattr_destroy
return zero;
otherwise an error number is returned to indicate the error.
.Sh ERRORS
.Fn pthread_barrierattr_init
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.It Bq Er ENOMEM
The process cannot allocate enough memory to create another barrier attribute
object.
.El
.Pp
.Fn pthread_barrierattr_destroy
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.El
.Sh SEE ALSO
.Xr pthread_barrier_init 3 ,
.Xr pthread_barrier_wait 3 ,
.Xr pthread_barrierattr_getpshared 3
.Sh STANDARDS
.Fn pthread_barrierattr_init
and
.Fn pthread_barrierattr_destroy
conform to
.St -p1003.1-2008 .
